Fiscal policy—or the way a government taxes, spends and borrows money—can have a huge impact on reducing inequality. But according to a recent IMF study, that impact has been shrinking over the past decade, as governments scale back social benefits, and make income taxes less progressive.

The features of a fragile state can include political and economic instability, poverty, civil disorder, terrorism, human trafficking, disease, or all of these. But how to identify a fragile state, and what policies can fragile states pursue to become fully functioning nations?